This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A282789 #4 Feb 21 2017 08:44:13 %S A282789 12,240,8216,119176,2207352,34974844,545174028,8385651160, %T A282789 125782952202,1869100531456,27455017613694,399770700356992, %U A282789 5779997586129870,83043999837342288,1186866407744919094,16884581390750904832 %N A282789 Number of nX6 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element. %C A282789 Column 6 of A282791. %H A282789 R. H. Hardin, <a href="/A282789/b282789.txt">Table of n, a(n) for n = 1..210</a> %H A282789 R. H. Hardin, <a href="/A282789/a282789.txt">Empirical recurrence of order 60</a> %F A282789 Empirical recurrence of order 60 (see link above) %e A282789 Some solutions for n=4 %e A282789 ..0..1..0..0..0..0. .1..0..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..1 %e A282789 ..0..0..1..0..1..0. .0..0..0..0..1..0. .0..1..0..1..0..0. .0..1..0..0..0..0 %e A282789 ..0..0..0..0..0..0. .0..0..0..1..0..0. .0..0..0..0..0..0. .0..0..0..0..0..1 %e A282789 ..0..0..1..1..1..0. .1..0..1..0..0..0. .0..1..0..1..1..1. .1..1..1..0..0..0 %Y A282789 Cf. A282791. %K A282789 nonn %O A282789 1,1 %A A282789 _R. H. Hardin_, Feb 21 2017